| Company | Timeline | Status | |
| 12-8 Investments Limited Director • Director  | 20 May 2019←6 Years→Current  | Active  | |
| Atholl Homes (Scotland) Ltd Director • Unreported  | 1 Dec 2012←12 Years→Current  | Active  | |
| Ritchie Brothers (Public Works Contractors) Limited Director • Company Director  | 14 Jun 1989←36 Years→Current  | Active  | |
| Ritchie Brothers (Public Works Contractors) Limited Secretary • Unreported  | 14 Jun 1989←36 Years→Current  | Active  | |
| Ritchie Brothers Holdings Limited Secretary • Unreported  | 14 Jun 1989←36 Years→Current  | Active  | |
| Ritchie Brothers Holdings Limited Director • Company Director  | 14 Jun 1989←36 Years→Current  | Active  | |
| Ritchie Brothers (Scotland) Ltd Director • Company Director  | 15 May 1989←34 Years→15 Dec 2023  | Dissolved  | |
| Ritchie Brothers (Scotland) Ltd Secretary • Unreported  | 15 May 1989←34 Years→15 Dec 2023  | Dissolved  | |
| R.B. Construction (Redhouse) Ltd Director • Company Director  | 17 Jan 1989←36 Years→Current  | Active  | |
